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  <title>Set source property</title>
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 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.openal-source-set" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">openal_source_set</h1>
  <p class="verinfo">(PECL openal &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">openal_source_set</span> &mdash; <span class="dc-title">
   Set source property
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.openal-source-set-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>openal_source_set</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$source</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$property</code></span>
   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$setting</code></span>
   ) : <span class="type">bool</span></div>

 </div>

 <div class="refsect1 parameters" id="refsect1-function.openal-source-set-parameters">
  <h3 class="title">参数</h3>
  <dl>

   
    <dt>
<code class="parameter">source</code></dt>

    <dd>

     <p class="para">
      An <a href="openal.resources.html" class="link">Open AL(Source)</a> resource
      (previously created by <span class="function"><a href="openal_source_create.html" class="function">openal_source_create()</a></span>).
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">property</code></dt>

    <dd>

     <p class="para">
      Property to set, one of:
      <strong><code>AL_BUFFER</code></strong> (OpenAL(Source)),
      <strong><code>AL_LOOPING</code></strong> (bool),
      <strong><code>AL_SOURCE_RELATIVE</code></strong> (int),
      <strong><code>AL_SOURCE_STATE</code></strong> (int),
      <strong><code>AL_PITCH</code></strong> (float),
      <strong><code>AL_GAIN</code></strong> (float),
      <strong><code>AL_MIN_GAIN</code></strong> (float),
      <strong><code>AL_MAX_GAIN</code></strong> (float),
      <strong><code>AL_MAX_DISTANCE</code></strong> (float),
      <strong><code>AL_ROLLOFF_FACTOR</code></strong> (float),
      <strong><code>AL_CONE_OUTER_GAIN</code></strong> (float),
      <strong><code>AL_CONE_INNER_ANGLE</code></strong> (float),
      <strong><code>AL_CONE_OUTER_ANGLE</code></strong> (float),
      <strong><code>AL_REFERENCE_DISTANCE</code></strong> (float),
      <strong><code>AL_POSITION</code></strong> (array(float,float,float)),
      <strong><code>AL_VELOCITY</code></strong> (array(float,float,float)),
      <strong><code>AL_DIRECTION</code></strong> (array(float,float,float)).
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">setting</code></dt>

    <dd>

     <p class="para">
      Value to assign to specified <code class="parameter">property</code>.
      Refer to the description of <code class="parameter">property</code>
      for a description of the value(s) expected.
     </p>
    </dd>

   
  </dl>

 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.openal-source-set-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.openal-source-set-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="openal_source_create.html" class="function" rel="rdfs-seeAlso">openal_source_create()</a> - Generate a source resource</span></li>
    <li class="member"><span class="function"><a href="openal_source_get.html" class="function" rel="rdfs-seeAlso">openal_source_get()</a> - Retrieve an OpenAL source property</span></li>
    <li class="member"><span class="function"><a href="openal_source_play.html" class="function" rel="rdfs-seeAlso">openal_source_play()</a> - Start playing the source</span></li>
   </ul>
  </p>
 </div>

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